PubSub 3sensors onChange asSeperateTopics - Versionsgeschichte

HannahPernerWilson am 16. November 2021 um 18:56 Uhr

2021-11-16T18:56:10Z

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	https://live.staticflickr.com/65535/51684204434_e23cc394dc_z.jpg		https://live.staticflickr.com/65535/51684204434_e23cc394dc_z.jpg
	https://live.staticflickr.com/65535/~~51683531121_cb34cb4026_z~~.jpg
	https://live.staticflickr.com/65535/~~51682742637_d122c7ee71_z~~.jpg		https://live.staticflickr.com/65535/51683531121_cb34cb4026_w.jpg https://live.staticflickr.com/65535/51682742637_d122c7ee71_w.jpg

	https://live.staticflickr.com/65535/51683279381_86135ea748_c.jpg		https://live.staticflickr.com/65535/51683279381_86135ea748_c.jpg

HannahPernerWilson am 16. November 2021 um 18:55 Uhr

2021-11-16T18:55:18Z

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	Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.		Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.

			https://live.staticflickr.com/65535/51684204434_e23cc394dc_z.jpg
			https://live.staticflickr.com/65535/51683531121_cb34cb4026_z.jpg
			https://live.staticflickr.com/65535/51682742637_d122c7ee71_z.jpg

	https://live.staticflickr.com/65535/51683279381_86135ea748_c.jpg		https://live.staticflickr.com/65535/51683279381_86135ea748_c.jpg

HannahPernerWilson am 16. November 2021 um 08:28 Uhr

2021-11-16T08:28:20Z

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	Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.		Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.

			https://live.staticflickr.com/65535/51683279381_86135ea748_c.jpg
			https://live.staticflickr.com/65535/51683543408_6219846752_c.jpg
			https://live.staticflickr.com/65535/51683543428_fb57a0fdd3_c.jpg

	==The Circuit:==		==The Circuit:==

HannahPernerWilson am 16. November 2021 um 08:24 Uhr

2021-11-16T08:24:39Z

← Nächstältere Version		Version vom 16. November 2021, 08:24 Uhr
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			This example code publishes information about 3 analog sensor values only when they pass above or bellow a threshold value. The rise or fall of each sensor value is published to it's own subtopic. A second ESP subscribes to all sensor subtopics and turns it's LEDs on/off depending on the rise or fall of the other ESPs sensor values. Both ESPs do the same so that sensors on the one, control LEDs on the other.

	Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.		Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.

HannahPernerWilson am 16. November 2021 um 04:48 Uhr

2021-11-16T04:48:04Z

← Nächstältere Version		Version vom 16. November 2021, 04:48 Uhr
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	Upload this code to two ESPs.~~<br>~~		Upload this code to two ESPs. The light sensors on one ESP with control the LEDs on the other.

			==The Circuit:==
	Each ESP has 3 LEDs wired to: int outputPins[] = {25, 26, 27};<br>		Each ESP has 3 LEDs wired to: int outputPins[] = {25, 26, 27};<br>
	Each ESP has 3 light sensors wired to: int inputPins[] = {36, 39, 34};		Each ESP has 3 light sensors wired to: int inputPins[] = {36, 39, 34};


			==ARDUINO CODE for ESP32s==
	Change the following lines to be different for each ESP:		Change the following lines to be different for each ESP:

	==ESP1:==		===ESP1:===

	const char* myName = "esp_dome1";		const char* myName = "esp_dome1";
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	String mySubTopic = "dome2/sensors/";		String mySubTopic = "dome2/sensors/";

	==ESP2:==		===ESP2:===

	const char* myName = "esp_dome2";		const char* myName = "esp_dome2";
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	String mySubTopic = "dome1/sensors/";		String mySubTopic = "dome1/sensors/";

	~~==ARDUINO CODE for ESP32s==~~
	<source lang="js" line start="2" highlight="4-6">		<source lang="js" line start="2" highlight="4-6">

HannahPernerWilson am 16. November 2021 um 04:46 Uhr

2021-11-16T04:46:31Z

← Nächstältere Version		Version vom 16. November 2021, 04:46 Uhr
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	Upload this code to two ESPs. Change the following lines to be different for each ESP:		Upload this code to two ESPs.<br>
			Each ESP has 3 LEDs wired to: int outputPins[] = {25, 26, 27};<br>
			Each ESP has 3 light sensors wired to: int inputPins[] = {36, 39, 34};

			Change the following lines to be different for each ESP:

	==ESP1:==		==ESP1:==

	const char* myName = "esp_dome1";		const char* myName = "esp_dome1";

	String myPubTopic = "dome1/sensors/";		String myPubTopic = "dome1/sensors/";

	String mySubTopic = "dome2/sensors/";		String mySubTopic = "dome2/sensors/";

	==ESP2:==		==ESP2:==

	const char* myName = "esp_dome2";		const char* myName = "esp_dome2";

	String myPubTopic = "dome2/sensors/";		String myPubTopic = "dome2/sensors/";

	String mySubTopic = "dome1/sensors/";		String mySubTopic = "dome1/sensors/";

HannahPernerWilson am 16. November 2021 um 04:45 Uhr

2021-11-16T04:45:00Z

← Nächstältere Version		Version vom 16. November 2021, 04:45 Uhr
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	~~ARDUINO CODE~~ for ~~ESP32~~		Upload this code to two ESPs. Change the following lines to be different for each ESP:

			==ESP1:==
			const char* myName = "esp_dome1";
			String myPubTopic = "dome1/sensors/";
			String mySubTopic = "dome2/sensors/";

			==ESP2:==
			const char* myName = "esp_dome2";
			String myPubTopic = "dome2/sensors/";
			String mySubTopic = "dome1/sensors/";

			==ARDUINO CODE for ESP32s==
	<source lang="js" line start="2" highlight="4-6">		<source lang="js" line start="2" highlight="4-6">

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	int threshold = 2500;		int threshold = 2500;

	const char ssid[] = "~~topofthepops~~";		const char ssid[] = "yourWifi";
	const char pass[] = "~~abarakadabarabistaklassahabara";~~		const char pass[] = "yourWifiPassword";

	~~//const char ssid[] = "puppe1119";~~
	~~//const char pass[] = "puppe2010~~";

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2021-11-16T04:40:27Z

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ARDUINO CODE for ESP32

<source lang="js" line start="2" highlight="4-6">

// publishes 3 sensor values when these change,
// subscribes to 3 sensor values which turns on/off LED lights.
// using Shiftr Desktop Broker: https://www.shiftr.io/desktop

#include <WiFi.h>
#include <MQTT.h>

WiFiClient net;
MQTTClient client;

const char* myName = "esp_dome2";
String myPubTopic = "dome2/sensors/";
String mySubTopic = "dome1/sensors/";

int outputPins[] = {25, 26, 27};
int inputPins[] = {36, 39, 34};
int sensorValues[3];
int previousSensorValues[3];
int threshold = 2500;

const char ssid[] = "topofthepops";
const char pass[] = "abarakadabarabistaklassahabara";

//const char ssid[] = "puppe1119";
//const char pass[] = "puppe2010";

void setup() {
//declare INPUTS:

//declare OUTPUTS:
for (int i = 0; i < 3; i++) {
pinMode(outputPins[i], OUTPUT);
}

Serial.begin(9600); //begin serial communication

// start wifi and mqtt:
WiFi.begin(ssid, pass);
client.begin("192.168.0.9", net);
client.onMessage(messageReceived);
connect();
}

void connect() {
Serial.print("checking wifi...");
while (WiFi.status() != WL_CONNECTED) {
Serial.print(".");
delay(1000);
}
Serial.print("\nconnecting...");

//client.connect("client ID", "name of your instance", "token secret")
//when connecting to local broker leave name and token empty:
while (!client.connect(myName, "", "")) {
Serial.print(".");
delay(1000);
}
Serial.println("\nconnected!");

client.subscribe(mySubTopic + "*");
}

void messageReceived(String &topic, String &payload) {

// print the message received to serial port:
Serial.println("Subscribed: " + topic + " / " + payload);

for (int i = 0; i < 3; i++) {
if (topic == mySubTopic + String(i)) {
if (payload == "0") digitalWrite(outputPins[i], HIGH);
if (payload == "1") digitalWrite(outputPins[i], LOW);
}
}
}

void loop() {
// perform important MQTT things:
client.loop();
// check if connected
if (!client.connected()) {
connect();
}

// publish to my topic whenever sensor values fall bellow threshold:
for (int i = 0; i < 3; i++) {
sensorValues[i] = analogRead(inputPins[i]);
Serial.print(sensorValues[i]);
Serial.print(" ");
String myCurrentPubTopic = myPubTopic + i;
if (sensorValues[i] < threshold && previousSensorValues[i] > threshold) client.publish(myCurrentPubTopic, "0");
if (sensorValues[i] > threshold && previousSensorValues[i] < threshold) client.publish(myCurrentPubTopic, "1");
previousSensorValues[i] = sensorValues[i];
//Serial.println("myPubTopic: " + myPubTopic + " / " + myMessage);
}
Serial.println();
}

</source>